package com.mmall.util;

import org.apache.commons.lang3.StringUtils;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;

import java.util.Date;

/**
 * Created by Steven.Lu on 2018/7/14.
 */
public class DateTimeUtil {
    //joda-time
    //str-Data
    //Date-str
    public static final String STANDARD_FORMAT="yyyy-MM-dd HH:mm:ss";

    public static Date strToDate(String dateTimeStr,String formatStr){
        DateTimeFormatter dateTimeFormatter= DateTimeFormat.forPattern(formatStr);
        DateTime dateTime=dateTimeFormatter.parseDateTime(dateTimeStr);
        return dateTime.toDate();
    }

   public static String dateToStr(Date date,String formatStr){
       if(date==null){
           return StringUtils.EMPTY;
       }
       DateTime dateTime=new DateTime(date);
       return dateTime.toString(formatStr  );
   }

    public static Date strToDate(String dateTimeStr){
        DateTimeFormatter dateTimeFormatter= DateTimeFormat.forPattern(STANDARD_FORMAT);
        DateTime dateTime=dateTimeFormatter.parseDateTime(dateTimeStr);
        return dateTime.toDate();
    }

    public static String dateToStr(Date date){
        if(date==null){
            return StringUtils.EMPTY;
        }
        DateTime dateTime=new DateTime(date);
        return dateTime.toString(STANDARD_FORMAT  );
    }
}
